Calendar.FirstDayOfWeek Property
Gets or sets the day of the week to display in the first day column of the Calendar control.
Assembly: System.Web (in System.Web.dll)
Property Value
Type: System.Web.UI.WebControls.FirstDayOfWeekOne of the FirstDayOfWeek values. The default is Default, which indicates that the day specified in the system setting is used.
| Exception | Condition |
|---|---|
| ArgumentOutOfRangeException |
The date specified is not one of the FirstDayOfWeek values. |
Use the FirstDayOfWeek property to specify the day of the week to display in the first day column of the Calendar control. This property is set with one of the FirstDayOfWeek enumeration values. You can specify any day of the week or FirstDayOfWeek.Default, which indicates that the date is determined by the system settings.
The following code example demonstrates how to use the FirstDayOfWeek property to set the first day column to Monday.
<%@ Page Language="C#" AutoEventWireup="True" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" > <head> <title>Calendar Example</title> </head> <body> <form id="form1" runat="server"> <h3>Calendar Example</h3> <asp:Calendar id="calendar1" runat="server" FirstDayOfWeek="Monday"/> </form> </body> </html>
<%@ Page Language="C#" AutoEventWireup="True" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" > <script runat="server" > void Selection_Change(Object sender, EventArgs e) { // Set the first day of the week. Calendar1.FirstDayOfWeek = (FirstDayOfWeek)DayList.SelectedIndex; } </script> <head runat="server"> <title> Calendar FirstDayOfWeek Example </title> </head> <body> <form id="form1" runat="server"> <h3> Calendar FirstDayOfWeek Example </h3> Select the first day of the week. <br /><br /> <asp:Calendar id="Calendar1" ShowGridLines="True" ShowTitle="True" runat="server"/> <br /><br /> <table cellpadding="5"> <tr> <td> First day of the week: </td> </tr> <tr> <td> <asp:DropDownList id="DayList" AutoPostBack="True" OnSelectedIndexChanged="Selection_Change" runat="server"> <asp:ListItem> Sunday </asp:ListItem> <asp:ListItem> Monday </asp:ListItem> <asp:ListItem> Tuesday </asp:ListItem> <asp:ListItem> Wednesday </asp:ListItem> <asp:ListItem> Thursday </asp:ListItem> <asp:ListItem> Friday </asp:ListItem> <asp:ListItem> Saturday </asp:ListItem> <asp:ListItem Selected="True"> Default </asp:ListItem> </asp:DropDownList> </td> </tr> </table> </form> </body> </html>
Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.
